// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef THIRD_PARTY_NEARBY_SHARING_CERTIFICATES_NEARBY_SHARE_ENCRYPTED_METADATA_KEY_H_
#define THIRD_PARTY_NEARBY_SHARING_CERTIFICATES_NEARBY_SHARE_ENCRYPTED_METADATA_KEY_H_

#include <cstdint>
#include <vector>

namespace nearby {
namespace sharing {

// Holds the encrypted symmetric key--the key used to encrypt user/device
// metadata--as well as the salt used to encrypt the key.
class NearbyShareEncryptedMetadataKey {
 public:
  NearbyShareEncryptedMetadataKey(std::vector<uint8_t> salt,
                                  std::vector<uint8_t> encrypted_key);
  NearbyShareEncryptedMetadataKey(const NearbyShareEncryptedMetadataKey&);
  NearbyShareEncryptedMetadataKey& operator=(
      const NearbyShareEncryptedMetadataKey&);
  NearbyShareEncryptedMetadataKey(NearbyShareEncryptedMetadataKey&&);
  NearbyShareEncryptedMetadataKey& operator=(NearbyShareEncryptedMetadataKey&&);
  ~NearbyShareEncryptedMetadataKey();

  const std::vector<uint8_t>& salt() const { return salt_; }
  const std::vector<uint8_t>& encrypted_key() const { return encrypted_key_; }

 private:
  std::vector<uint8_t> salt_;
  std::vector<uint8_t> encrypted_key_;
};

}  // namespace sharing
}  // namespace nearby

#endif  // THIRD_PARTY_NEARBY_SHARING_CERTIFICATES_NEARBY_SHARE_ENCRYPTED_METADATA_KEY_H_
